BR112013020769B1 - método para codificar um sinal de áudio de entrada usando um filtro de predição, dispositivo de codificação de áudio e dispositivo de decodificação de áudio - Google Patents

método para codificar um sinal de áudio de entrada usando um filtro de predição, dispositivo de codificação de áudio e dispositivo de decodificação de áudio Download PDF

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Publication number
BR112013020769B1
BR112013020769B1 BR112013020769-8A BR112013020769A BR112013020769B1 BR 112013020769 B1 BR112013020769 B1 BR 112013020769B1 BR 112013020769 A BR112013020769 A BR 112013020769A BR 112013020769 B1 BR112013020769 B1 BR 112013020769B1
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filter
iir
coefficients
prediction
audio
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BR112013020769-8A
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Portuguese (pt)
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BR112013020769A2 (pt
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Mark F. Davis
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Dolby Laboratories Licensing Corporation
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Publication of BR112013020769B1 publication Critical patent/BR112013020769B1/pt

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/0017Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BR112013020769-8A 2011-02-16 2012-02-08 método para codificar um sinal de áudio de entrada usando um filtro de predição, dispositivo de codificação de áudio e dispositivo de decodificação de áudio BR112013020769B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161443360P 2011-02-16 2011-02-16
US61/443,360 2011-02-16
PCT/US2012/024270 WO2012112357A1 (en) 2011-02-16 2012-02-08 Methods and systems for generating filter coefficients and configuring filters

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BR112013020769A2 BR112013020769A2 (pt) 2016-10-11
BR112013020769B1 true BR112013020769B1 (pt) 2021-03-09

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BR112013020769-8A BR112013020769B1 (pt) 2011-02-16 2012-02-08 método para codificar um sinal de áudio de entrada usando um filtro de predição, dispositivo de codificação de áudio e dispositivo de decodificação de áudio

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US (1) US9343076B2 (zh)
EP (2) EP2863389B1 (zh)
JP (1) JP5863830B2 (zh)
KR (1) KR101585849B1 (zh)
CN (1) CN103534752B (zh)
AU (1) AU2012218016B2 (zh)
BR (1) BR112013020769B1 (zh)
CA (1) CA2823262C (zh)
ES (1) ES2727131T3 (zh)
HK (1) HK1189990A1 (zh)
MX (1) MX2013009148A (zh)
RU (1) RU2562771C2 (zh)
WO (1) WO2012112357A1 (zh)

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Also Published As

Publication number Publication date
CN103534752B (zh) 2015-07-29
EP2863389A1 (en) 2015-04-22
US20130317833A1 (en) 2013-11-28
EP2863389B1 (en) 2019-04-17
HK1189990A1 (zh) 2014-06-20
ES2727131T3 (es) 2019-10-14
RU2013137876A (ru) 2015-02-20
CA2823262A1 (en) 2012-08-23
MX2013009148A (es) 2013-08-29
CN103534752A (zh) 2014-01-22
BR112013020769A2 (pt) 2016-10-11
CA2823262C (en) 2018-03-06
KR20130112942A (ko) 2013-10-14
KR101585849B1 (ko) 2016-01-22
JP5863830B2 (ja) 2016-02-17
US9343076B2 (en) 2016-05-17
EP2676263B1 (en) 2016-06-01
WO2012112357A1 (en) 2012-08-23
AU2012218016A1 (en) 2013-07-11
JP2014508323A (ja) 2014-04-03
AU2012218016B2 (en) 2015-11-19
EP2676263A1 (en) 2013-12-25
RU2562771C2 (ru) 2015-09-10

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
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